﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Patterns_State
{
    public interface IPhone
    {
        void TurnMicOn();
        void TurnMicOff();
        void TurnSpeakerOn();
        void TurnSpeakerOff();

    }
}
